Regensburg, Germany’s medieval gem, will transport you to a bygone era. The site of both Celtic and Roman settlements, Regensburg flourished in the Middle Ages.

Dubrovnik, also known as 'The Pearl of the Adriatic', is one of the world’s most breathtaking walled cities. Once the capital of the Republic of Ragusa (1358-1808), it's now Croatia’s most popular tourist destination.

A favorite for many cruise-goers and tourists, Ketchikan, Alaska, is a charming city located near the state’s southeastern edge.

To visit Barcelona is to embrace both the past and the future. There is much to do and see in this cosmopolitan capital of Catalonia, from medieval structures to beaches to UNESCO Heritage Sites by Antoni Gaudí and Lluís Doménech i Montaner.

Hong Kong offers the best of both worlds, a thriving exciting city filled with culinary delights with mountains and sprawling parks for when you need an escape into nature. As you wander the Street Market to score bargains on local goods, make sure to indulge in a bowl of wanton noodles or freshly steamed dim sum.